Side by side

Baltic HMS 003vsSeiko Prospex SPEEDTIMER Mechanical

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Baltic HMS 003

The Baltic HMS 003 is widely praised for its vintage charm, featuring a three-dimensional sector dial with a deep blue and gilt color scheme, heat-treated blue hands, and varied textures. Owners and reviewers highlight its 36.5mm case size, high-dome crystal, and Beads of Rice bracelet as particularly appealing. The Miyota 8315 automatic movement provides a 60-hour power reserve and stop-seconds function. One owner notes the domed hesalite crystal is prone to scratching. Overall, owners and reviewers rate the Baltic HMS 003 highly for its unbelievably gorgeous design and vintage aesthetic at its price point.

From video reviewers

The Baltic HMS 003's downsized case to 36.5mm is a significant strength, making it a genuinely vintage-sized watch. A notable trade-off is the relatively thin lume on the watch, which is 'not the brightest' but still functional. Reviewers disagree on the watch's overall build quality, with one reviewer stating it has "better finishing" than the previous model, while another reviewer notes that specific details about the watch's finishing, indexes, or overall build quality are not mentioned.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

At a glance

14 of 29 specs differ
Diameter
HMS 00336mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
HMS 00360h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
HMS 00350m
Prospex SPEEDTIMER Mechanical200m
MSRP
HMS 003$416
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

5 specs
Category
Sport
Chronograph
Diameter
36mm
39.5mm
Thickness
13mm
12mm
Lug-to-Lug
46mm
44.5mm
Water Resistance
50m
200m

Crystal & Dial

5 specs
Crystal
Hesalite
Sapphire
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue Gilt
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 8315
Seiko 6R55
Power Reserve
60h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$416
$995
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